food-safe

This is an easier thing to verify than that a dewar is food-safe (because who knows where it's been).

* Yes: you need to ask your LN supplier if the LN is food-safe.

Most garbage bags are not made of food-safe plastic, so be aware that you may be ingesting substances you don't want.

As mentioned in other comments, you should make sure it's a food-safe bucket.

A larger sum will be needed to get stable high levels of expression and scale everything up into a financially viable food-safe production facility.

Isn't there something you could cover it with to make it food-safe?

So we have the cheapest possible plastic which is food-safe but strong and moldable enough to have a handle, etc.

On food-safe bags; we can't make a better recommendation than what the manufacturers make themselves.

The orange Home Depot buckets, for example, are NOT food-safe.

So we have the cheapest possible > plastic which is food-safe but strong and moldable enough to have a > handle, etc.

Ziploc bags are food-safe, up to something like 85C.

I'm happy to use zip-top bags for low-temp cooking (they are food-safe after all), but garbage bags will be reserved for use in the garbage can.